Do helium balloons or air-filled balloons last longer?

Air-filled balloons last longer than helium balloons. The average lifespan of a helium balloon is eight to twelve hours (the larger the balloon, the longer it lasts). A special treatment called HI-...
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Who created balloons?

The rubber balloon was invented in 1824 by Professor Michael Faraday. He created it to use in experimentation with hydrogen, while working at the Royal Institution in London. He was born in England...
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